Black Box May-95, ME758C-RJ45, ME759C-RJ45, ME759C-RJ11 manual Indicators, Diagnostics, Connectors

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MULTI-FUNCTION LD CARD

Data Rates —	57.6, 38.4, 28.8, 19.2, 14.4, 9.6, 7.2, 4.8, 3.6, 2.4, or
	1.2 kbps (user-selectable)
Maximum
Distance —	See the maximum distance chart in the Appendix
Isolation —	1500 volts RMS minimum using custom transformers
Surge-Protection
Method —	Silicon Avalanche Diodes
Surge-Response
Time —	1 ps
Maximum Surge
Protection —	600 watts dissipated after 1 ms

User Controls — (2) Front-panel toggle switches: Remote or (local) Analog loopback; 511 or 511/E V.52 diagnostics;

(3)8-position DIP switches on main module:

(1)for data rate, clock source, protocol, and carrier control;

(1)for 2- or 4-wire operation, diagnostics, RTS/CTS delay, signaling-rate range, and word length;

(1)for input impedance, point-to-point or multipoint operation, remote loopback-test initiation, and antistream control;

(3)Frame-ground-connection jumpers on interface module:

To Line Shield, DTE Shield (Protective Ground), and Signal Ground

Indicators —	(11) Front-panel LEDs:
	(1) each for Power, Test, Error;
	(2) each for TD, RD, RTS, and CD
Diagnostics —	ITU-TSS V.54 remote digital and local analog
	loopbacks; ITU-TSS V.52 BERT testing
Connectors —	On main module:
	All models:

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Contents Multi-Function LD Cards FCC Statements MULTI-FUNCTION LD Card NOM Statements Contents Specifications Diagnostics IndicatorsConnectors Fuse PowerTemperature WeightIntroduction FeaturesOverview Introduction Main-module switches Setting the Switches on the Main ModuleSwitch S1 Summary On and OFF settings of the DIP switchesS1 Positions 5 and 6 Clock Source S1 Positions 1 through 4 Data-Rate SettingS1 Position 7 Protocol S2 Position 2 2-Wire vs -Wire Operation Switch S2 SummaryS1 Position 8 Carrier-Control Method S2-7 and S2-8 Word Length S2 Position 3 V.52 and V.54 Diagnostic TestingS2 Positions 4 and 5 RTS/CTS Delay S2-6 Signaling-Rate RangeS3-1 and S3-2 Input Impedance Switch S3 SummaryS3-6 DTE RS-232 Initiation of Remote Loopback Test Recommended Impedance SettingsS3-4 Mode Selection S3-5 DTE RS-232 Initiation of Local Loopback TestS3-7 and S3-8 Antistream Control Setting the Jumpers on the Interface ModuleFour interface modules Jumper locations Line Interface Line Shield Connection to Frame Ground JB2 Summary of Interface-Module Jumper FunctionsJB5 Serial Interface Signal Ground and Frame Ground JB4MicroRacks An Overview InstallationMicroRacks’ Power Supply Installing the Multi-Function LD Card in the MicroRack Pinout of the RS-232 Interface RS-232 Serial Cables and ConnectorsPinout of the 10-Pin RJ Interface Modem-to-Modem Line Cables and Connectors AT&T standard modular color codes Line-Cable PinoutsMultipoint Applications Two-pair star wiring for host and slave CardsStatus LEDs Operation and DiagnosticsRTS and CD Indicators Diagnostic Testing Using the Error LED Power-Up V.54 and V.52 Diagnostic Tests Remote Digital Loopback RDL Using the V.52 Bert Test Independently Calling Your Supplier TroubleshootingShipping and Packaging Appendix Cable Recommendations Wire Gauge Capacitance ResistanceMULTI-FUNCTION LD Card Copyright 1995. Black Box Corporation. All rights reserved